agnathans

Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

n. Plural form of agnathan.

Etymologies

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Examples

By the time agnathans appear on the scene, over 300 million years of evolution have resulted in phagocytic protolympocytes armed with non-rearranging Ig molecules, a valuable part of the innate immune system, ideally poised to take advantage of a fortuitous insertion of the transposon RAG elements resulting in adaptive immunity.